NATIONAL TELEPHONE COMPANY
BATTERY WALL SETS
Pattern No. B240
These illustrations show complete Telephone Sets made up in a most compact form. Both can be confidently recommended as being well made, useful, and very suitable for short lines in private residences, hotels, offices, etc. Calling is effected by means of a battery.
B240 was B39 in the 1903 Catalogue.
Last revised: July 07, 2020